PROGRAMMING:High precision value of a / b
Calculate the precision value of a / B, let a and B input as general integers, and the calculation result is accurate to 20 decimal places.
###Input format:
Example: 4.3
###Output format:
Example: 4 / 3 = 1.33333
###Input example:
```in
6 5
```
###Output example:
```out
6/5=1.2
```
answer：If there is no answer, please comment
###Input format:
Example: 4.3
###Output format:
Example: 4 / 3 = 1.33333
###Input example:
```in
6 5
```
###Output example:
```out
6/5=1.2
```
answer：If there is no answer, please comment
